function setActiveStyleSheet(title) {
	var i, a, main;

	for (i=0; i<document.getElementsByTagName("link").length; i++) {
		a = document.getElementsByTagName("link")[i];
		a.disabled = false;	
   		if (String(a.getAttribute("title")) != "greybox") {
			if (String(a.getAttribute("title")) == String(title)) {
				a.disabled = false;
			} else {
				a.disabled = true;
			}
		}
	}
	document.getElementsByTagName("link")[0].disabled = false;
}